CN213950451U - Vacuum cavity lifting device - Google Patents
Vacuum cavity lifting device Download PDFInfo
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- CN213950451U CN213950451U CN202023085080.5U CN202023085080U CN213950451U CN 213950451 U CN213950451 U CN 213950451U CN 202023085080 U CN202023085080 U CN 202023085080U CN 213950451 U CN213950451 U CN 213950451U
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Abstract
The utility model provides a vacuum cavity lifting device, which comprises a base, wherein the base is vertically arranged, a group of guide rails which are arranged in parallel is arranged on one side end surface of the base, a lead screw is arranged between the two guide rails, the top end of the lead screw is connected with an output shaft of a motor with a speed reducer, a nut is arranged on the lead screw, sliders are respectively arranged on the two guide rails, the nut and all sliders are connected with a supporting seat, and a transverse arm and a guide mechanism are sequentially arranged on the supporting seat from top to bottom; the end of the cross arm far away from the base is provided with a lifting mechanism, and the lifting mechanism and the guide mechanism are both connected with the upper cavity body. The utility model has reasonable structure, the guide mechanism can limit the rotation of the upper cavity after being connected with the left side and the right side of the upper cavity, the upper cavity does not rotate when the upper cavity is lifted in the vertical direction, and the opening and closing position of the upper cavity is ensured to be unchanged; the device has the advantages of compact arrangement space, good structural rigidity and high power-off safety.
Description
Technical Field
The utility model belongs to the technical field of measurement test mechanical equipment, in particular to vacuum cavity hoisting device.
Background
A vacuum cavity for metering equipment is divided into an upper hemispherical cavity and a lower hemispherical cavity, when equipment needs to be installed in the cavity, the upper cavity needs to be opened, and after the equipment in the cavity is installed, the upper cavity and the lower cavity are closed to form a sealed space; because the vacuum cavity bears a certain load during working, the cavity is generally made of steel, has larger thickness and heavier weight, and the opening device of the upper cavity needs to bear the weight of the cavity and has the characteristics of simple and convenient operation, consistent opening and closing positions and the like.
The existing chamber lifting device is shown in fig. 1: mainly include one and go up cavity 1, direction 2 and counter weight 3, wherein, it is hemisphere steel container to go up cavity 1, mainly realize inside vacuum environment with cavity equipment back down, cavity 1 moves along the vertical direction in the main assurance of direction 2, can not appear rotatoryly in the promotion in-process, cause to close and open the position inconsistent, counter weight 3 passes through wire rope and two pulley and last cavity 1 that the interval was arranged and is connected, be used for offsetting the dead weight of last cavity 1, make when cavity 1 was closed in the manual opening of operating personnel, can realize light operation.
In the existing product, the opening and closing of the upper cavity 1 are manually operated by an operator, the upper cavity 1 and the counterweight 3 are connected through a steel wire rope, so that labor-saving opening and closing operation can be realized, the steel wire rope cannot prevent rotation, in order to avoid the phenomenon that the upper cavity 1 rotates in the lifting process and the opening and closing positions are inconsistent, the upper cavity 1 is limited on the guide bodies 2 at two sides, and the lifting action of the upper cavity 1 is finished under the condition that the upper cavity does not rotate; the following technical defects exist in the use: the counterweight 3 with the mass similar to that of the upper cavity 1 needs to be configured on the counterweight type upper cavity lifting device, the arrangement space structure is large, manual operation of operators is needed, certain protection and isolation areas are needed for the operation space and the counterweight space, and the connection links of the upper cavity 1 and the counterweight 3 such as a steel wire rope need to be checked regularly, so that safety accidents such as falling are avoided.
How to design a vacuum cavity lifting device, how to realize that the upper cavity body is lifted to any height and keeps hovering, how to realize that the upper cavity body lifting process is steady and safe, the position of opening and shutting keeps unanimous all the time, becomes the problem that the solution is badly needed.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a vacuum cavity hoisting device for solve this kind of counter weight formula that exists among the prior art and go up cavity hoisting device need dispose with the counter weight of the similar quality of cavity, it is great to arrange spatial structure, needs operating personnel manual operation, operating space and counter weight space need certain protection isolation region, and need regularly inspect the link of being connected of cavity and counter weight on wire rope etc. in order to avoid causing the problem of incident such as fall.
In order to realize the aim, the utility model provides a vacuum cavity lifting device, which comprises a base and an upper cavity, wherein the bottom surface of the upper cavity is provided with a flange, the base is vertically arranged, one side end surface of the base is provided with a group of guide rails which are arranged in parallel, a lead screw is arranged between the two guide rails, the top end of the lead screw is connected with an output shaft of a motor with a speed reducer, the lead screw is provided with a nut,
by adopting the technical scheme: a motor with a speed reducer is a power source of the lifting device, and a screw rod converts the rotary motion output by the speed reducer into linear motion;
the two guide rails are respectively provided with a sliding block, the nut and all the sliding blocks are connected with the supporting seat, and the supporting seat is sequentially provided with a cross arm and a guide mechanism from top to bottom;
a lifting mechanism is arranged at one end of the cross arm, which is far away from the base, and the lifting mechanism and the guide mechanism are both connected with the upper cavity;
by adopting the technical scheme: the screw rod drives the supporting seat to move up and down, the screw rod can bear the dead weight of the upper cavity, and the supporting seat bears the bending moment caused by the dead weight of the upper cavity; the cross arm is a main stressed component and is used for directly bearing the weight of the upper cavity; the device has the advantages of compact arrangement space, good structural rigidity and high power-off safety.
In an embodiment of the utility model, guiding mechanism include the T template, the supporting seat is kept away from on the edge of a wing of T template.
In an embodiment of the present invention, the flange at both ends of the T-shaped plate is provided with a first through hole.
In an embodiment of the present invention, any one of the first through holes in the first through hole is provided with a first bolt, the first bolt is connected to one end of the connecting plate, the other end of the connecting plate is connected to one end of the adjusting plate with the waist-shaped hole through a first pin, and the other end of the adjusting plate is connected to the flange hole of the upper cavity through a second pin.
In an embodiment of the present invention, two connecting plates are arranged in a V-shape, and the first pin is located in the waist-shaped hole of the corresponding adjusting plate;
by adopting the technical scheme: after the guide mechanism is connected with the left side and the right side of the upper cavity, the rotation of the upper cavity can be limited, the upper cavity does not rotate when the upper cavity is lifted in the vertical direction, and the opening and closing position of the upper cavity is ensured to be unchanged.
In an embodiment of the present invention, the upper cavity top surface is provided with an ear plate, and the ear plate is provided with a first screw hole.
In an embodiment of the present invention, the lifting mechanism includes a 7-shaped connecting plate.
In an embodiment of the present invention, the end of the cross arm is provided with a suspension plate, and one end of the suspension plate away from the cross arm is provided with a second through hole.
In an embodiment of the present invention, the top surface of the 7-shaped connecting plate is provided with a second screw hole, the second screw hole and the second through hole are correspondingly arranged, and the second through hole is internally provided with a second bolt.
In an embodiment of the utility model, the riser of 7 font connecting plates on be provided with the third through-hole, the third through-hole corresponds with first screw and arranges, is provided with the third bolt in the third through-hole.
As described above, the utility model provides a vacuum cavity lifting device, it is rational in infrastructure, after guiding mechanism is connected with the upper cavity left and right sides, can restrict the rotation of upper cavity, the upper cavity is not appeared rotating when having realized the lifting of upper cavity in the vertical direction, has ensured that the upper cavity open and shut the position unchangeable, can promote to arbitrary height and keep hovering according to the requirement in the upper cavity lifting process, the lifting process is steady safe, has ensured that the vacuum cavity keeps original encapsulated situation after closing; the device has the advantages of compact arrangement space, good structural rigidity, high power-off safety, and good economic and social benefits when popularized and applied.
Drawings
Fig. 1 is a schematic structural diagram of a cavity lifting device in the prior art.
Fig. 2 is a three-dimensional view of the present invention.
Fig. 3 is a front view of fig. 2.
In the figure: 1. an upper cavity; 2. guiding; 3. balancing weight; 4. a motor with a speed reducer; 5. a guide rail; 6. a lead screw; 7. a supporting seat; 8. a base; 9. a guide mechanism; 10. a lifting mechanism; 11. the cross arm.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 2, the utility model provides a vacuum cavity hoisting device, including base 8, go up cavity 1, the bottom surface of going up cavity 1 is provided with the flange, base 8 along vertical arrangement, be provided with a set of parallel arrangement's guide rail 5 on base 8's a side end face, be provided with lead screw 6 between two guide rails 5, lead screw 6's top and the output shaft of the motor 4 of taking the speed reducer are provided with the nut on lead screw 6, through adopting this kind of technical scheme: a motor with a speed reducer is a power source of the lifting device, and a screw rod converts the rotary motion output by the speed reducer into linear motion;
the two guide rails 5 are respectively provided with a sliding block, the nut and all the sliding blocks are connected with the supporting seat 7, and the supporting seat 7 is sequentially provided with a cross arm 11 and a guide mechanism 9 from top to bottom;
a lifting mechanism 10 is arranged at one end of the cross arm 11 far away from the base 8, and the lifting mechanism 10 and the guide mechanism 9 are both connected with the upper cavity 1; by adopting the technical scheme: the screw rod drives the supporting seat to move up and down, the screw rod can bear the dead weight of the upper cavity, and the supporting seat bears the bending moment caused by the dead weight of the upper cavity; the cross arm is a main stressed component and is used for directly bearing the weight of the upper cavity; the device has compact arrangement space, good structural rigidity and high power-off safety;
the guide mechanism 9 comprises a T-shaped plate, and the flange of the T-shaped plate is far away from the supporting seat 7; a group of reinforcing rib plates are arranged below wing plates of the T-shaped plate; the reinforcing rib plates are all welded with the supporting seat 7;
the flanges at the two ends of the T-shaped plate are provided with first through holes;
as shown in fig. 3, any one of the first through holes is internally provided with a first bolt, any one of the first bolts is connected with one end of a connecting plate, the other end of the connecting plate is connected with one end of an adjusting plate with a kidney-shaped hole through a first pin shaft, and the other end of the adjusting plate is connected with a flange hole of the upper cavity 1 through a second pin shaft;
as shown in fig. 2, the two connecting plates are arranged in a V shape, and the first pin shafts are located in the waist-shaped holes of the corresponding adjusting plates; by adopting the technical scheme: after the guide mechanism is connected with the left side and the right side of the upper cavity, the rotation of the upper cavity can be limited, the upper cavity does not rotate when the upper cavity is lifted in the vertical direction, and the opening and closing position of the upper cavity is ensured to be unchanged;
the top surface of the upper cavity 1 is provided with an ear plate, and the ear plate is provided with a first screw hole;
the lifting mechanism 10 comprises a 7-shaped connecting plate;
a cantilever plate is arranged at the tail end of the cross arm 11, and a second through hole is formed in one end, far away from the cross arm 11, of the cantilever plate;
the top surface of the 7-shaped connecting plate is provided with a second screw hole, the second screw hole and the second through hole are correspondingly arranged, and a second bolt is arranged in the second through hole;
a third through hole is formed in the vertical plate of the 7-shaped connecting plate, the third through hole is arranged corresponding to the first screw hole, and a third bolt is arranged in the third through hole.
In specific implementation, the motor 4 with the speed reducer outputs required torque after rotating through the speed reducer, the screw 6 is driven to convert the rotation into linear motion, the screw 6 drives the supporting seat 7 to move up and down, the supporting seat 7 suspends and fixes the lifting mechanism 10 on the upper cavity 1 through the cross arm 11, and the upper cavity 1 has certain bending moment relative to the position of the screw 6, and the bending moment is offset by the guide rail 5 arranged on the base 8; because the diameter of the upper cavity 1 is larger, the lifting mechanism 10 arranged at the top of the upper cavity 1 can not completely limit the rotation trend of the upper cavity 1, so that the maximum excircle position of the upper cavity 1 is limited by the guide mechanism 9, the accidental rotation of the upper cavity 1 in the lifting process is prevented, and the consistency of the opening and closing positions in the lifting process is ensured;
by adopting the structure, the automatic opening and closing operation of the upper cavity 1 of the vacuum cavity can be realized, manual operation is not needed, full-automatic operation can be realized, the upper cavity 1 can be lifted to any height and suspended according to requirements in the lifting process, the lifting process is stable and safe, the opening and closing positions are always kept consistent, and the original sealing state of the vacuum cavity is ensured to be kept after the vacuum cavity is closed; the device has the advantages of compact arrangement space, good structural rigidity and high power-off safety.
Embodiment one, take motor among the motor 4 of speed reducer to adopt servo motor, can incorporate automatic control system, form full automatic control, the device is arranged the space compactness, and structural rigidity is better, and the security of losing the electricity is higher, has saved the human cost, and has improved the utility model discloses an automatic control level.
To sum up, the utility model provides a vacuum cavity lifting device, the structure is reasonable, after the guiding mechanism is connected with the upper cavity left and right sides, can restrict the rotation of upper cavity, the upper cavity does not have the rotation when having realized the lifting of upper cavity in the vertical direction, has guaranteed that the upper cavity open and shut the position and does not change, can promote to arbitrary height and keep hovering according to the requirement in the lifting process of upper cavity, the lifting process is steady and safe, has guaranteed that the vacuum cavity keeps original encapsulated situation after closing; the device has the advantages of compact arrangement space, good structural rigidity and high power-off safety. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a vacuum cavity hoisting device, includes base (8), goes up cavity (1), and the bottom surface of going up cavity (1) is provided with flange, its characterized in that: the base (8) is vertically arranged, a group of guide rails (5) which are arranged in parallel is arranged on one side end face of the base (8), a lead screw (6) is arranged between the two guide rails (5), the top end of the lead screw (6) is connected with an output shaft of a motor (4) with a speed reducer, a nut is arranged on the lead screw (6), sliding blocks are respectively arranged on the two guide rails (5), the nut and all the sliding blocks are connected with a supporting seat (7), and a cross arm (11) and a guide mechanism (9) are sequentially arranged on the supporting seat (7) from top to bottom;
one end of the cross arm (11) far away from the base (8) is provided with a lifting mechanism (10), and the lifting mechanism (10) and the guide mechanism (9) are both connected with the upper cavity (1).
2. A vacuum chamber lifting device according to claim 1, wherein: the guide mechanism (9) comprises a T-shaped plate, and the flange of the T-shaped plate is far away from the supporting seat (7).
3. A vacuum chamber lifting device according to claim 2, wherein: and the flanges at the two ends of the T-shaped plate are provided with first through holes.
4. A vacuum chamber lifting device according to claim 3, wherein: any one first bolt is arranged in the first through hole and connected with one end of the connecting plate, the other end of the connecting plate is connected with one end of the adjusting plate with the kidney-shaped hole through a first pin shaft, and the other end of the adjusting plate is connected with the flange hole of the upper cavity (1) through a second pin shaft.
5. A vacuum chamber lifting device according to claim 4, wherein: the two connecting plates are arranged in a V shape, and the first pin shafts are located in waist-shaped holes of the corresponding adjusting plates.
6. A vacuum chamber lifting device according to claim 1, wherein: the top surface of the upper cavity (1) is provided with an ear plate, and the ear plate is provided with a first screw hole.
7. A vacuum chamber lifting device according to claim 6, wherein: the lifting mechanism (10) comprises a 7-shaped connecting plate.
8. The vacuum chamber lifting apparatus according to claim 7, wherein: the tail end of the cross arm (11) is provided with a suspension plate, and one end, far away from the cross arm (11), of the suspension plate is provided with a second through hole.
9. A vacuum chamber lifting device according to claim 8, wherein: the top surface of the 7-shaped connecting plate is provided with a second screw hole, the second screw hole and the second through hole are correspondingly arranged, and a second bolt is arranged in the second through hole.
10. A vacuum chamber lifting device according to claim 8, wherein: a third through hole is formed in the vertical plate of the 7-shaped connecting plate, the third through hole is arranged corresponding to the first screw hole, and a third bolt is arranged in the third through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023085080.5U CN213950451U (en) | 2020-12-18 | 2020-12-18 | Vacuum cavity lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023085080.5U CN213950451U (en) | 2020-12-18 | 2020-12-18 | Vacuum cavity lifting device |
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| Publication Number | Publication Date |
|---|---|
| CN213950451U true CN213950451U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023085080.5U Active CN213950451U (en) | 2020-12-18 | 2020-12-18 | Vacuum cavity lifting device |
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| CN (1) | CN213950451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161599A (en) * | 2022-06-05 | 2022-10-11 | 芯三代半导体科技(苏州)有限公司 | Vacuum cavity opening structure and method |
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2020
- 2020-12-18 CN CN202023085080.5U patent/CN213950451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161599A (en) * | 2022-06-05 | 2022-10-11 | 芯三代半导体科技(苏州)有限公司 | Vacuum cavity opening structure and method |
| CN115161599B (en) * | 2022-06-05 | 2024-04-12 | 芯三代半导体科技(苏州)有限公司 | Vacuum cavity opening structure and method |
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